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. 2022 Aug 26;13:953445. doi: 10.3389/fpls.2022.953445

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Copyright © 2022 Zhang, Pan, Guo, Li and Wang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Dioecious plants with reference genomes and convinced sexual systems in a phylogenetic perspective. The male heterogametic system (XY/XX), female heterogametic system (ZW/ZZ), and haploid sex system (U/V) are shown in green, blue, and pink respectively. The distantly-related lineages of poplar (Salicaceae) and persimmon (Ebenaceae) are respectively highlighted in yellow and light red. The phylogenetic tree was reconstructed using chloroplast genome sequences via the online RAxML method in CIPRES (http://www.phylo.org/) (Supplementary Table S1).